Senior Systems Administrator

Overview:

We are seeking a highly experienced Senior Systems Administrator to design and implement enterprise-wide patching and upgrade strategies across on-premises, cloud, and hybrid environments. As a senior-level technical expert, you will provide leadership and guidance to system administrators, serving as an escalation point for complex patching, upgrade, and configuration issues.

Responsibilities:

• Design and implement enterprise-wide patching and upgrade strategies across on-premises, cloud, and hybrid environments.
• Architect, automate, and maintain patching and upgrade workflows using scripting, orchestration, and configuration management tools to support large-scale, repeatable deployments.
• Lead technical planning, testing, and execution of complex system upgrades, including operating systems, infrastructure platforms, and supporting services.
• Coordinate patch and upgrade activities through formal change, configuration, and release management processes, including documentation, rollback planning, and post-deployment validation.
• Monitor vulnerability sources (e.g., CVEs, KEVs, vendor advisories) and ensure timely remediation.
• Provide senior-level technical support and guidance to system administrators, serving as an escalation point for complex patching, upgrade, and configuration issues.
• Develop and maintain technical documentation, standard operating procedures, and reporting artifacts to support auditability, compliance, and continuous service improvement.

Qualifications:

• Ability to obtain and maintain: a Public Trust is required. An active Public Trust and/or DHS suitability is preferred. Must be a U.S. Citizen without dual citizenship.
• Enterprise patch and upgrade management: across Windows and/or Linux environments.
• Experience remediating: vulnerabilities in accordance with federal security directives.
• Automation and scripting: for patching and configuration management (e.g., PowerShell, Bash, orchestration tools).
• Change, configuration, and release management: in regulated enterprise environments.
• Systems engineering support: for large-scale infrastructure deployments (on-prem, cloud, hybrid).
• Technical documentation: and audit-ready reporting.
• Bachelor's degree: in Information Technology, Computer Science, Engineering, or a related field.
• 10+ years: of progressive experience in systems engineering and enterprise system administration, with demonstrated focus on patching and upgrade management.

Benefits:

Maximus provides a variety of benefits to employees, including health insurance coverage, life and disability insurance, a retirement savings plan, paid holidays and paid time off. Compensation ranges may differ based on contract value but will be commensurate with job duties and relevant work experience. The annual salary range for this position is $100,000 - $115,000.